pretrain.
To train before testing or further training.
Meaning & usage
To train before testing or further training.
In stage one, rats were pretrained to drink from a rotary device.
To train (a neural network) on a large corpus or other dataset to acquire a base of general-purpose knowledge, representations, or capabilities that can subsequently be adapted, specialized, or aligned through further training.
Where this word comes from
Etymology tree Proto-Indo-European *per- Proto-Indo-European *preh₂- Proto-Indo-European *-i Proto-Indo-European *préh₂i? Proto-Italic *prai Proto-Italic *prai- Latin prae-lbor. Middle English pre- English pre- English trainder. English pretrain From pre- + train.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.